EP 0667720 B1 20011107 - Video signal recording and reproducing apparatus
Title (en)
Video signal recording and reproducing apparatus
Title (de)
Gerät zur Aufzeichnung und Wiedergabe von Videosignalen
Title (fr)
Appareil d'enregistrement et de reproduction de signaux vidéo
Publication
Application
Priority
JP 4045094 A 19940215
Abstract (en)
[origin: EP0667720A2] A recording and reproducing apparatus records and reproduces video signals which include video information and copy protection information for restricting the number of times the video information may be copied. Original video information is recorded onto a recording medium with updated copy protection information that indicates that the video information has been copied and is also transmitted with the original copy protection information so that more than one copy of the video information may be generated from the original, The transmitted video information is outputted and/or recorded onto a recording medium with the updated copy protection information. <IMAGE>
IPC 1-7
IPC 8 full level
G11B 20/10 (2006.01); H04N 5/91 (2006.01); H04N 5/913 (2006.01); H04N 5/92 (2006.01); H04N 9/804 (2006.01); H04N 9/82 (2006.01); H04N 9/806 (2006.01)
CPC (source: EP US)
H04N 5/913 (2013.01 - EP US); H04N 9/8047 (2013.01 - EP US); H04N 9/8205 (2013.01 - EP US); H04N 9/8063 (2013.01 - EP US); H04N 2005/91321 (2013.01 - EP US); H04N 2005/91328 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0667720 A2 19950816; EP 0667720 A3 19951129; EP 0667720 B1 20011107; DE 69523650 D1 20011213; DE 69523650 T2 20020814; DE 69533241 D1 20040812; DE 69533241 T2 20050630; EP 1133182 A1 20010912; EP 1133182 B1 20040707; JP 3321972 B2 20020909; JP H07226915 A 19950822; US 5673357 A 19970930; US 5907657 A 19990525
DOCDB simple family (application)
EP 95300889 A 19950214; DE 69523650 T 19950214; DE 69533241 T 19950214; EP 01201209 A 19950214; JP 4045094 A 19940215; US 38849995 A 19950214; US 86198597 A 19970522